Portion of a bottle



FIG. 1 is a top, rear, and left side perspective view of a portion of abottle, embodying our new design;

FIG. 2 is a right side elevational view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof.

The ornamental design for a portion of a bottle, as shown and described.